losetup-utils are three bash scripts that attempt to make the use of losetup a bit easier and faster. losetup can be fast, easy, and practical if you need to transport sensitive information over the Internet or in CD's, DVD's, or a pendrive. Also, if you want to store private data on your hard disk or in the cloud, an encrypted volume can be a convenient choice. The types of encryption can be any installed on the system.

.wwf toolkit is a set of shell scripts to convert PDF files to .wwf files and vice versa. The resulting .wwf files are virtually indistinguishable from files created with the official WWF drivers. The PDF files the toolkit creates are fully unprotected and can be printed or manipulated by other PDF utilities.

360-FAAR (Firewall Analysis Audit and Repair) is an offline, command line, Perl firewall policy manipulation tool to filter, compare to logs, merge, translate, and output firewall commands for new policies, in Checkpoint dbedit, Cisco ASA, or ScreenOS commands. It is all contained in one file. It can read policy and logs for: Checkpoint FW1 (in odumper.csv / logexport format), Netscreen ScreenOS (in get config / syslog format), and Cisco ASA (show run / syslog format). It uses both inclusive and exclusive CIDR and text filters, permitting you to split large policies into smaller ones for virutalization at the same time as removing unused connectivity. It supports policy to log association, object translation, rulebase reordering and simplification, rule moves, and duplicate matching automatically. It allows you to seamlessly move rules to where you need them. 'print' mode creates a spreadsheet for your audit needs with one command.

365Video is a video blogging platform that makes it easy to upload, convert, and publish videos on the Web. It works with any video format supported by FFmpeg and supports tagged posts, a navigation sidebar with dates and tags, an easily customizable template, and low resource consumption.

3D Memory Game is a game in which you play with four tile pairs, making eight pieces. In each round, one piece is shown and you have to find the matching piece. To make things complicated, two pieces are exchanged after each round.

3Depict helps you visualize and analyze 3D point clouds with an associated real value
in a fast and flexible fashion.
The primary use is in Atom Probe Tomography, an atomic imaging technique,
but the program may also be useful in other areas,
such as geospatial data,
lidar,
etc.

4D-TRIS is an alteration of the well-known Tetris
game. The game field is extended to a 4D field,
which has to filled up by the gamer with 4D hyper
cubes. The software is written in C with OpenGL
and GLUT.

4K Video Downloader is a video and audio downloader for YouTube, Vimeo, Facebook, Dailymotion, Metacafe, and other video-sharing services. It features video quality up to 4k resolution, FLV, MP4, and MKV support, extraction of audio to the MP3 format, and a "Smart Mode" for fast downloads.